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Mostrando ítems 142-161 de 237
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Identification of three novel subgroups within the X-disease group phytoplasma associated with strawberry redness disease
(2017-04)Strawberry plants showing symptoms of lethal redness disease were found in production fields located in Tucumán province, Argentina. The presence of phytoplasmas was confirmed by PCR of 16S rDNA gene using phytoplasma ... -
Identification, molecular characterization and relative incidence of begomoviruses infecting bean crops in northwestern Argentina: an update
(Springer; Australasian Plant Pathology Society, 2018-07)Three begomoviruses were identified in bean crops in northwestern Argentina: Bean golden mosaic virus (BGMV), Tomato yellow spot virus (ToYSV) and Soybean blistering mosaic virus (SbBMV). Nucleic acid hybridization probes ... -
Illuminating the Plant Rhabdovirus Landscape through Metatranscriptomics Data
(MDPI, 2021-07-05)Rhabdoviruses infect a large number of plant species and cause significant crop diseases. They have a negative-sense, single-stranded unsegmented or bisegmented RNA genome. The number of plant-associated rhabdovirid sequences ... -
Impact of yellow leaf virus on sugarcane commercial fields
(Springer, 2020-11-17)A survey of Sugarcane yellow leaf virus (SCYLV) was conducted in northern Argentina in 2015 and 2016 using tissue blot immunoassay (TBIA). Results showed plant infection rates of 2.2–86.7% in sugarcane commercial fields ... -
Improvement of conditional Cre-lox system through application of the regulatory sequences from Cowpea mosaic virus
(Springer, 2018-04)To study the impact of regulatory sequences from Cowpea mosaic virus (CPMV) on Cre-mediated recombination rates, the cre gene was flanked by the 5′ non-translated and 3′ non-translated regions of CPMV. This cre configuration ... -
Improving the Comprehension of Pathogenicity and Phylogeny in ‘Candidatus Phytoplasma meliae’ through Genome Characterization
(MDPI, 2024-01-11)‘Candidatus Phytoplasma meliae’ is a pathogen associated with chinaberry yellowing disease, which has become a major phytosanitary problem for chinaberry forestry production in Argentina. Despite its economic impact, no ... -
Incidence and prevalence of aphid-borne viruses infecting strawberry in Argentina
(Wiley, 2018-07)The incidence and prevalence of strawberry viruses were determined in surveys of randomly selected strawberry plants grown in different regions of Argentina. In 2009 and 2010, 1034 plants from 28 fields and 1060 plants ... -
Incidence of Garlic common latent virus in Argentina, and phylogenetic and recombination analyses of isolates = Incidência de Garlic common latent virus na Argentina, e análise filogenética e de recombinação de isolados
(Embrapa, 2015-05)The objective of this work was to estimate the incidence and prevalence of Garlic common latent virus (GarCLV) in the main production regions of garlic (Allium sativum) in Argentina, and to perform phylogenetic and ... -
Incorporación de trigo en la rotación agrícola : una herramienta para potenciar el funcionamiento del agroecosistema
(Asociación Argentina Ciencia del Suelo, 2018-07)Argentina es uno de los principales productores y exportadores de granos a nivel mundial. En particular, la región Pampeana es el área de mayor actividad agrícola centrando su producción en el cultivo de soja, seguido del ... -
Infection with Spiroplasma kunkelii on temperate and tropical x temperate maize in Argentina and development of a tool to evaluate germplasm
(Springer, 2021-11-30)Corn stunt disease is a disease that extends from the southern United States to Argentina and is one of the most important diseases in warm subtropical areas of the continent, periodically causing yield reductions in maize. ... -
Influence of 12-years of NPS fertilization on soil quality, microbial community profile and activity under conservation agricultural management
(Asociación Argentina Ciencia del Suelo, 2018-07)Microbial parameters are considered to be potential indicators of soil quality since soil microorganisms can respond rapidly to agricultural management systems. The effect of long-term fertilizer applications on soil, ... -
Influence of Climatic Variables on Incidence of Whitefly-Transmitted Begomovirus in Soybean and Bean Crops in North-Western Argentina
(MDPI, 2023-02-02)Over the last 20 years, begomoviruses have emerged as devastating pathogens, limiting the production of different crops worldwide. Weather conditions increase vector populations, with negative effects on crop production. ... -
Integrated multivariate analysis of selected soil microbial properties and their relationships with mineral fertilization management in a conservation agriculture system
(Taylor & Francis, 2013)The effect of mineral fertilizer application on soil microbial community was investigated in a conservation agriculture system. The aim of this work was to evaluate how mineral fertilization with nitrogen (N), phosphorus ... -
Influencia de un complejo viral en rendimiento y contenido de clorofila de dos variedades de batata
(Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 2022-02-11)Las virosis son la principal limitante del rendimiento de batata, quinto cultivo alimenticio del mundo. En Argentina, el “encrespamiento amarillo” (EA), complejo viral con siete agentes involucrados, causa notables pérdidas ... -
Low water availability increases susceptibility to peanut smut (Thecaphora frezzii) in peanut crop
(Wiley, 2023-10-23)Peanut smut (causal agent Thecaphora frezzii) and seasonal drought are the two main factors reducing peanut yields in Argentina. There are no previous studies about the effect of drought on peanut smut occurrence. We ... -
Macrophomina phaseolina: General Characteristics of Pathogenicity and Methods of Control
(Frontiers Media, 2021-04-22)Macrophomina phaseolina is a generalist soil-borne fungus present all over the world. It cause diseases such as stem and root rot, charcoal rot and seedling blight. Under high temperatures and low soil moisture, this fungus ... -
Marriage between variable selection and prediction methods to model plant disease risk
(Elsevier, 2023-10-11)Predicting the risk of a disease in a pathosystem based on a set of climatic variables usually requires handling a high number of input variables, many of which are often irrelevant and/or redundant. Building linear ... -
Mejora de la detección del patotipo no defoliante de Verticillium dahliae en olivo mediante PCR anidada
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2021-06-30)La olivicultura está afectada por un síndrome que genera marchitez en la copa del árbol. Uno de los microorganismos responsables es el hongo Verticillium dahliae, que provoca la enfermedad denominada verticilosis del olivo ... -
Meta‐analysis of fungicide efficacy on soybean target spot and cost–benefit assessment
(Wiley, 2018)Target spot of soybean has spread in Brazil, the southeastern United States and Argentina in the last decade. A collaborative network of field Uniform Fungicide Trials (UFT) in Brazil was created in 2011 to study the target ... -
Mitogenome and Nuclear-encoded Fungicide-target Genes of Thecaphora frezii - Causal Agent of Peanut Smut
(Longdom Publishing, 2019-08-28)Background: Thecaphora frezii Carranza and Lindquist causes smut disease in peanut (Arachis hypogaea L.) resulting in up to 35% yield losses. Fungicides have shown ineffective in controlling the disease; whereas research ...